51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-std=gnu++2a" }
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// { dg-do compile { target c++2a } }
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#include <concepts>
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static_assert( std::semiregular<int> );
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static_assert( std::semiregular<int*> );
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static_assert( ! std::semiregular<int&> );
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static_assert( ! std::semiregular<void> );
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static_assert( ! std::semiregular<void()> );
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static_assert( ! std::semiregular<void() noexcept> );
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static_assert( ! std::semiregular<void() const> );
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struct Trivial { };
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static_assert( std::semiregular<Trivial> );
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struct NotTrivial
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{
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NotTrivial() { }
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~NotTrivial() { }
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};
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static_assert( std::semiregular<NotTrivial> );
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struct NotDefaultConstructible
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{
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NotDefaultConstructible(int) { }
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};
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static_assert( ! std::semiregular<NotDefaultConstructible> );
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struct HasReference
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{
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int& ref;
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};
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static_assert( ! std::semiregular<HasReference> );
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